724982249 has 2 divisors, whose sum is σ = 724982250. Its totient is φ = 724982248.

The previous prime is 724982179. The next prime is 724982267. The reversal of 724982249 is 942289427.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453391849 + 271590400 = 21293^2 + 16480^2 .

It is an emirp because it is prime and its reverse (942289427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 724982249 - 2²⁰ = 723933673 is a prime.

It is a super-2 number, since 2×724982249² = 1051198522730196002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (724982549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362491124 + 362491125.

It is an arithmetic number, because the mean of its divisors is an integer number (362491125).

Almost surely, 2^724982249 is an apocalyptic number.

It is an amenable number.

724982249 is a deficient number, since it is larger than the sum of its proper divisors (1).

724982249 is an equidigital number, since it uses as much as digits as its factorization.

724982249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The square root of 724982249 is about 26925.4944058600. The cubic root of 724982249 is about 898.3435577293.

It can be divided in two parts, 72498 and 2249, that added together give a palindrome (74747).

The spelling of 724982249 in words is "seven hundred twenty-four million, nine hundred eighty-two thousand, two hundred forty-nine".